auto-claude: subtask-3-2 - Add rate limit feedback to ContactForm UI

- Added rate limit translations for en, de, and sr locales
- Added state to track remaining attempts from X-RateLimit-Remaining header
- Display warning when remaining attempts are low (<=2)
- Show user-friendly error messages with time until reset for 429 errors
- Added AlertTriangle icon for visual feedback on warnings
- All messages now use i18n translation keys for multilingual support

.auto-claude-status

@@ -3,23 +3,23 @@
   "spec": "017-replace-in-memory-rate-limiter-with-persistent-sol",
   "state": "building",
   "subtasks": {
-    "completed": 5,
+    "completed": 7,
     "total": 12,
     "in_progress": 1,
     "failed": 0
   },
   "phase": {
-    "current": "Add New Persistent Rate Limiter",
+    "current": "Migrate Contact Form",
     "id": null,
-    "total": 4
+    "total": 2
   },
   "workers": {
     "active": 0,
     "max": 1
   },
   "session": {
-    "number": 3,
+    "number": 5,
     "started_at": "2026-01-25T11:52:31.718294"
   },
-  "last_update": "2026-01-25T11:56:14.044309"
+  "last_update": "2026-01-25T12:07:33.420389"
 }